The carpenter's new guide: being a complete book of lines for carpentry and joinery (1850)
Nicholson, Peter, 1765-1844. [from old catalog], Johnston, William, architect. [from old catalog] · Philadelphia, Lippincott, Grambo and co. · leaf 271
SKY-LIGHTS. 107 PLATE 80. To find the Length of the Hips of a Sky-light standing upon a square Plan, the Height being given. In fig. Ji, draw the diagonals a b, and c d; they will bisect each other at right angles at e; take a efor the base of any hip; from e in e d make e f equal to the height of…
Carpentry
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